<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>File upload</title>
    </head>
    <body>
        <form action="/upload" method="post" enctype="multipart/form-data">
            <input name="file" type="file">
            <button>Submit</button>
        </form>
        <iframe src="/upload/list" frameborder="0"></iframe>
    </body>
</html>
